{
   "$schema":"http://json-schema.org/draft-03/schema#",
   "id":"http://schemas.opengis.net/gsr-gs/1.0/distance.json",
   "title":"distance results",
   "type":"object",
   "properties":{
		"distance":{
			"title":"distance value",
			"type":"number",
			"required":true
 		}
   }
}